my car overheats has some overheating problem. when i drive my car for a while it overheats but then when i turn on the ac so the other fan works it cools back down. i changed the thermostat. what else should i do?im replacing the primary fan because i think thats causing the cooling problem.

Ya that sounds like a bad radiator, not doing its job and the second fan helping cool it down, if you have the stock radiator I'd bale on it any how that plastic bull shit explodes on all three NA's I've had around. If your on a budget do a CXRacing radiator come across them on ebay everyonce in a while brand new in the 100-150 range, alot of guys on here with boost applications run them so they stand up to the heat. GL with all

It's obviously your primary fan not working. Check the thermoswitch on top of the thermostat housing

+1. also go to the diagnostic box and jump TFA and GND and check to see that the fan itself is working properly. I once had the fan wiring backwards which caused it to blow through and not draw from outside which also caused some overheat problems

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yeah i got another oem primary fan. for now its not overheating at all. i usually over heat going up hills for a long time. but now the temp barely went up i dont think it moved. i dont think i need to replace the water pump cause both hoses gets hot so im guessing my water pump is still good? but if it starts overheating again im prolly going to buy that cxracing.
and yes my primary fan works

thank you for your help!!
i just want to drive my car for like 100 miles without overheating and id be satisfied.
before this fan my temp would go over half almost to hot and i only traveled 4 miles -_-

Anyway, if your fan isn't kicking on, and you can't figure out the problem with someone there. Just wire up a switch and a hot wire from your ignition to your fan, and switch it on when deemed appropriate.